HWAT-T50 installation manual
Contents
1. Figure 10 z a P 1BB BB aul u 90 C B Figure 11 While scrolling between the functions A flashing box denotes the active function navigate between functions using or gt pressing lt gt you activate the new function Note When the blue backlight is not on the first button you touch will light the blue backlight The navigation is then activated and only the second time you will hit a button will have an effect on the navigation Please refer the functions in table 2 Table 2 Function Symbol Select mode Back light Set temperature Clock Program setting Error symbol and error ABBBB code Shown Erri Err2 Err3 add Err4 Show the pipe temperature 19989 Show the real time nang Manual mode Heating symbol e Day of the week H 1 Economical mode I 7 The time bar of temperature setting in each day oh 3 6 OW 6 FUNCTIONS 6 1 SELECT MODE AND BACKLIGHT 3 To validate your choice press and You will be able to scroll between the 1 S2 and END to go to back press to active the selected setting 6 1 1 SELECT MODE Comfort Mode In this mode the thermostat will run the same program every day This schedule can be adapted see 6 4 1 the factory setting is Table 3 Daily Time status 23 30 5 00 off 5 00 23 30 Comfort Tempe2. Name Description Quantity Thermostat HWAT T50 Thermostat 1 Sensor NTC 10K 25 C with 3 m cable 1 User manual 1 Philips screw Fine thread M3 7 30 2 2 Adapter front plate for square box 1244 010134 Name Description Quantity Adapter For 86mm installation box white 20pcs box PENTAIR WWW PENTAIRTHERMAL COM ASIA PACIFIC AUSTRALIA Tel 86 21 2412 1688 Tel 61 2 9792 0279 86 21 5426 2937 61 2 9774 5931 cn thermal info pentair com ausalesthermal pentair com All Pentair trademarks and logos are owned by Pentair or its global affiliates Pentair reserves the right to change specifications without prior notice 2014 Pentair THERMAL BUILDING SOLUTIONS EN HWATT50 IM H90323 08 14
3. suppression device V SENSOR Figure 8 earth connection of HWAT heating cable you must use the PE terminal on the thermostat or a separate earth bolt connection 3 4 PRODUCT SPECIFIC INFORMATION HWAT T50 thermostat is compatible with the HWAT self regulating cable The self regulating heating cables have a start up characteristic In order to guarantee the life time of the thermostat the maximum load of the self regulating application in nominal conditions is limited to 50 m An over 50 m length self regulating load will reduce the life time of the HWAT T50 unless connected as described in figure 8 4 GETTING STARTED When powering up the HWAT T50 for the first time it will be set as timer mode when no sensor connected and will be set as comfort mode when sensor connected Set the time To use the HWAT T50 thermostat e Press or to select hour minute and day Press or to set the value Confirm your selection using and switch to the next setting by the sequence of hour minute and day Ye Figure 9 5 NAVIGATION The HWAT T50 thermostat is designed to easily navigate through the different functions General principle To use the HWAT T50 thermostat e Navigate different functions by using gt or gt Modify a setting using e Confirm your selection using lt nes COD lt
4. Figure 5 3 2 Figure 5 Assembly frame and front of thermostat can be removed by pushing gently with a screwdriver on the two fasteners located on each side of the thermostat Figure 6 Figure 6 MOUNTING THE LINE SENSOR The line sensor should be installed in a separate flexible conduit for easy replacement and in order to avoid signal disturbance resulting in a possible malfunction of the thermostat For best control performance position the line sensor as close as possible to the hot water pipe s surface Position the line sensor tip opposite of the heating cable on the pipe 3 3 CONNECTION OF THE THERMOSTAT TO THE POWER SUPPLY The thermostat must be connected to 180 253VAC according to the circuit diagrams Figure7 Direct connection e g single heating circuit Heating cable Line ii 280VAC sensor L m Max 16A LE PE N PE U x Jil Ni L Bl ela Figure 7 If you connect multiple heating cables with total run over 50 m HWAT heating cable you must use a contactor Normally Open with integrated suppression device Figure 8 Connection via contactor e g 3 heating circuits Line Powersupply Power supply to sensor 230 VAC heating cables LN L1 L2 L3 N PE K1 contactor wA with integrated n
5. to switch it displayed 8 to keeping warm or hidden to keeping off sor to select the desire time from the 0 00 to 24 00 Press to go back and enter the main screen By choosing OFF mode to switch off your heating for a long period of time while operating in standby the HWAT T50 thermostat can be set in frost protection mode TROUBLE SHOOTING The below contents are only suitable for the product installed with the sensor before connecting to power In the event of damage or malfunction of the temperature sensors the heating output cuts off fail safe and an error code is displayed The line sensor may be replaced by a new one RPN 1244 002952 Table 6 Number Error type ERR 1 Sensor short warning ERR 2 Senor open warning ERR 3 Measuring temperature exceeds 70 Internal sensor measuring temperature exceeds 70 ERR 4 Pipe temperature value is less than 0 C Note the event of ERR1 ERR2 ERR3 and ERR4 the heater is de energised 8 RESET TO FACTORY SETTINGS To reset push the small button on the right side of the power on off switch on the front of the thermostat set values will return to factory defaults The thermostat will re boot 9 TECHNICAL SPECIFICATION Table 7 Supply voltage 180 253VAC 50 60 Hz Power consumption average 6 V Main power switch 2 pole Relay output 230VAC max 16A Ambient temperature
6. 1 For comfort and safety the thermostat will revert to timer mode if no sensor is detected Table 1 Mode Description Symbol Comfort Comfort mode provides maintenance Co of a continuous set point temperature Economic Economic mode provides an energy Econ saving setback temperature during the typical working days as well as weekend Manual Manual temperature setting mode Hand Off Off Mode during Off mode setting OFF the controller provides pipe frost protection only Timer In this mode the thermostat can Tr be adjusted according to customer schedule 3 MOUNTING AND INSTALLATION 3 1 MOUNTING THE THERMOSTAT HWAT T50 thermostat with the adaptor RPN 1244 010134 can be mounted with the 86 mm wall box for in wall installation It should be positioned approximately 1 5 metres above the finished floor all electrical conduits passing into the wall box that contain cables must also be sealed to protect the thermostat against draughts e g with a piece of insulation in the conduit outlet The sensor should be placed on the critical branch like shower when there are several taps Figure 4 HWAT Cable lt Power Cable 1 5m Figure 4 f the HWAT T50 is mounted in a wall with a rough surface e g bricks use silicon glue to make a seal between the wall and the thermostat frame Note The HWAT T50 thermostat can also be mounted on the surface with a junction box RPN 3000 4791
7. gt PENTAIR Raychem HWAT T50 User Manual e bd pentairthermal com manuals iy THERMAL BUILDING SOLUTIONS EN HWATTS0 IM H90323 08 14 82 Y Raychem CO 70 5 Figure 1 Figure 2 2 Figure 3 1 Content 3 2 Description 4 Mounting and installation 5 3 1 Mounting the thermostat 5 3 3 2 Mounting the line sensor 6 3 3 Connection of the thermostat to the power supply 7 3 amp Product specific information 8 4 Getting started 8 Navigation 9 Functions 10 6 1 Select mode and backlight 2 10 6 1 1 Select Mode 10 6 1 2 Set backlight duration 12 6 6 2 Set temperature gt 12 6 3 Set time and day 12 6 4 Program selection P 13 6 4 1 Program Comfort Mode 13 6 4 2 Program Economic Mode Econ 13 6 6 3 Timer 14 7 Trouble shooting 14 8 Reset to factory settings 15 9 Technical specification 15 10 Approvals and declarations 15 11 Order products 16 2 DESCRIPTION The HWAT T50 thermostat is equipped with line sensor and is capable of monitoring and controlling Raychem HWAT self regulating cables for hot water temperature maintenance When the heater is energised the 4 is displayed The HWAT T50 thermostat is a programmable thermostat with 3 pre set programs see Table
8. operation 0 40 Ambient temperature transport 20 55 Protection class IP 21 Terminals Max 2 5 mm Sensor with 3 m cable NTC 10KQ 25 Dimension with frame Figure1 H 82 x W 82 x D 57 mm Colour Polar white RAL 9010 Display LCD with blue backlight Control range line sensor 0 70 Temperature setting range 37 65 C default temperature is 50 C Hysteresis 2 Program Selection 3 programs Comfort Economic Timer Back up for set values Non volatile memory Back up power Can be used for storing the data of time and date one week 10 APPROVALS AND DECLARATIONS RCM approved 15 11 ORDER PRODUCTS For surface mounted installation please order the two packages for a complete solution 1 HWAT T50 A 3000 4790 including the following items Name Description Quantity Thermostat HWAT T50 Thermostat 1 Sensor NTC 10K 25 C with 3 m cable 1 User manual 1 Self tapping screw M3 0 15 with flat hat fix thermostat 2 into box 2 Mounting box for HWAT T50 A 3000 4791 including the following Name Description Quantity Mounting Box 81 5 81 5 54 5 1 M20 Cable gland For power and heating cable 2 M16 Cable gland For sensor cable 1 For the flush mounted installation please order two packages for a complete solution 1 HWAT T50 C 3000 4789 including the following items
9. to main screen o 550 6 3 SET TIME AND DAY n this function you can set the time and day of the HWAT T50 thermostat When entering the function hours are flashing Press or adapt the values Press gt or gt to navigate between hour minute and day Confirm your selection and switch to the next setting by the sequence of hour minute and day 6 4 PROGRAM SELECTION P To validate your choice and activate the selected program press You will be able to scroll between the different programs comfort Economic and Timer 6 4 1 PROGRAM COMFORT MODE Use lt gt or to switch it displayed amp to keeping warm or hidden amp to keeping off Or to select the desire time from the 0 00 to 24 00 to enter and go back to main screen P TJ s 6 4 2 PROGRAM ECONOMIC MODE Econ Use or to switch it displayed amp to keeping warm or hidden amp to keeping off or to select the desired time from the 0 00 to 24 00 Press to enter Copy displays if user finishes setting the current day and presses which means copy the setting of current day to the next day No means not to copy to the next day End means stopping programming and going back to main screen Press to go back to main screen if setting of Sunday is completed 6 4 3 TIMER Use or
10. rature Economic Mode This mode is designed for a home with a working day schedule different from the weekend schedule This mode is developed in order to minimise the energy consumption when nobody is at home working hours This schedule can be adapted see 6 4 2 The factory setting is Table 4 Monday to Time status Friday 23 30 5 00 off 5 00 9 00 Comfort Temperature 9 00 11 00 off 11 00 13 00 Comfort Temperature 13 00 16 00 off 16 00 23 30 Comfort Temperature Saturday to 23 30 to 5 00 off Sunday 5 00 to 23 30 Comfort Temperature Manual mode This mode will always maintain the set temperature 11 Off Mode The system will switched off Timer Mode This mode will operate as the following this schedule can be adapted see 6 4 3 Table 5 Daily Time status 23 30 5 00 off 5 00 23 30 on 6 1 2 BACKLIGHT ON DURATION SETTING e Pressing or lt to select between OFF and 10 e Pressing to enter and go back to main screen 6 2 SET TEMPERATURE Q You can define a temperature set point which will be the set temperature in the comfort economic manual mode Temperature set range 37 C to 65 C Factory setting 50 C Temperature settings MUST be in accordance with local hygiene standards and guidelines To use the HWAT T50 thermostat e Press gt to select between 37 C and 65 C with 0 5 C interval Press to enter and go back
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