HTP Hydra Smart RT-199 Service Manual

19
20
LP-532 REV. 8.13.2014
LP-532 REV. 8.13.2014
Description/Part #
Freeze protection heater / 7850P-
076
Check Point
(Main PCB)
CN9
Function
This components prevents the water piping from freezing when water temperature in the
pipesislowerthan33F.
Failure Event
Whentemperatureislowerthan33Forceramicheaterisnotworkingproperly.
E󰘯ects
Damageoftheproductiscausedbyfreezingcondition.
Error Code N/A
Diagonostic
Checktheconnectionaroundtheceramicheater.
Color/WireNumber Ceramic Heater (White) : Connector
⑤,⑪
Description/Part #
Burner Overheat Switch /
7850P-009
Check Point
(Main PCB)
CN9 ,CN11
Function
BunnerOverbheatSwitchpreventsdamagestotheburnerplatecausedby
temperatureexceeding302F.
Failure Event Detectsoverheatingtemperatureisswitchhasanobnormalcondition.
E󰘯ects
WaterHeatershutsdownifburnerplatetemperatureexceedsthesetting
temperature
Error Code Er 20, Er 43
Diagonostic
①Checktheconnectionaroundtheburneroverheatswitchandmeasure
resistancebyusingamultimeter.
②ChecktheDipSwitchsetting.
③Checkgasori󰘰cenozzles.
Color/WireNumber
①Burnercase(Red):Connector⑦,⑮
②Heatexchangeroutletpipe(Red):Connector⑧,⑯
①②③④ ⑤⑥⑦⑧
⑨ ⑩
⑪⑫⑬⑭⑮⑯
① ② ③ ④ ⑤ ⑥
⑦ ⑧ ⑨ ⑩ ⑪ ⑫
Chapter 2 Components description Chapter 2 Components description
CN9
CN9, CN11

HTP Hydra Smart RT-199 Specifications

General

Brand	HTP
Model	Hydra Smart RT-199
Category	Water Heater
Language	English