Technical Characteristics And Dimensions; Declaration Of Conformity With Relevant Eec Regulations; Explanation Of Model Code; Package Contents - Bosch Therm 8000 S GWHC 27 CTDE Installation And Operating Instructions Manual

4 | Technical Characteristics and Dimensions

2 Technical Characteristics and Dimensions
2.1 Declaration of conformity with relevant EEC
regulations
This appliance ful lls European directive requirements
90/396/EEC, 92/42/EEC, 73/23/EEC, 89/336/EEC and
corresponds to the speci cations described in the
corresponding EEC ce rti cate of proof.
Model GWHC 27 CTD E
Category II
2H3B
Type C
Table 2

2.2 Explanation of Model Code

GWHC 27 C T D
Table 3
[GWH]Gas water heater
[C] Condensing
[27] Capacity (Liter per minute)
[C] Room sealed box
[T] Thermostatic
[D] LCD
[E] Electric ignition
[23] Appliance adjusted for Natural Gas
[30] Appliance adjusted for LPG

2.3 Package contents

• Gas heater
• Support elements
• Heater documentation

2.4 Description of the heater

• Heater for wall-mounting
• High power pre-mix compact burner with low NOx emissions
• Modulating Gas Valve with co nstant gas:air ratio control
• LCD panel with back light
• Failure codes for easy diagnostics and repair
• Electronic ignition
• Modulating water valve:
– Cold water temperature sensor
– Water ow sensor
• Hot water temperature sensor
• Safety devices:
6 720 680 174 (2012/09)
– Flame failure device (ion ization ame rod sensor)
– Back ow temperature sensor
– Inlet temperature sensor
– Outlet temperature sensor
– Room sealed box temperature sensor
– Over heat prevention (temperature limiter)
• Power supply: 230 V, 50 Hz
• IP X4 (protection against water drops)

2.5 Optional accessories

• Gas conversion kit (NG)
– Code nº 8 719 002 460
• Freeze prevention kit
– Code nº 7 709 003 709
• Outdoor kit
– Code nº 7 709 003 732
E 23 30
• Cascading kit
– Code nº 7 736 500 272
• Wireless remote control to operate with the appliance
– Code nº 7 709 003 756
• High temperature kit
– Code nº 7 736 500 605
Therm 8000 S