Standard Accessories; Appliance Accessories; Programmer/Timer Accessories; Bosch Easycontrol Smart Control System - Worcester Greenstar 4000 Installation And Maintenance Instructions Manual

Legend to figure 3:
[1] Inspection / Heat exchanger cleaning access
[2] Heat exchanger assembly limit temperature sensor
[3] Electrode set
[4] Ignition transformer
[5] Heat exchanger assembly
[6] Gas-air mixing chamber/venturi
1)
[7] Gas valve
[8] Cover for inspection aperture
[9] Pressure sensor
[10] Pump
[11] Pressure-relief valve (heating circuit)
[12] Pressure gauge
[13] Drain valve
[14] CH return connection
[15] Gas connection
[16] Key control (accessory) housing
[17] Control unit
[18] Fuse (replacement)
[19] CH flow connection
[20] Data plate
[21] Condensate siphon
[22] Flue gas temperature limiter
[23] Schraeder valve
[24] Fan
[25] Flow temperature sensor (supply sensor) at flow pipe
[26] Fan pressure test point
[27] Expansion vessel
[28] Zero flow sensor
[29] Automatic air vent
[30] Flue system connection
[31] Position for cylinder flow pipe
[32] Position for diverter valve
[33] Position for cylinder return pipe
[34] Control panel
1) These components are sourced from multiple suppliers and therefore contain
small design differences. Please refer to the relevant maintenance chapter for
more detailed information. Spare parts are fully interchangeable.
2) Key accessory only available if optional integral diverter valve kit is fitted.
3) Optional integral diverter valve kit.
Greenstar 4000 – 6 720 891 162 (2020/09)
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3.7

Standard accessories

3.7.1

Appliance accessories

Part number Description
7 733 601 245 4000 SimpleSwitch flue adaptor 60/100
7 733 601 250 4000/Compact Pre-piping kit
7 733 600 266 Greenstar System filter (22mm mini)
7 733 600 236 Greenstar System filter (22mm)
7 733 600 237 Greenstar System filter (28mm)
7 733 600 476 Greenstar System filter brass (22mm)
7 733 601 316 Earth bonding strip
7 733 601 314 4000/Compact Remote PRV Kit
7 733 601 251 Greenstar 4000 System Diverter Valve Kit
7 733 600 091 Heat exchanger cleaning kit
1) Optional Worcester controls are available if the integral diveter valve kit is used.
Table 5 Appliance accessories
3.7.2

Programmer/timer accessories

The programmers/timers and smart controls listed can be used with the
appliances stated on the front of this manual in conjunction with the
optional integral diverter valve kit.
Part number Description
7 738 110 054 Sense I
7 738 111 064 Sense II (including weather sensor)
7 738 112 323 Comfort+ I RF
7 738 112 324 Comfort+ II RF
7 738 112 338 Comfort+ stat RF
7 738 112 321 Comfort+
1) Must be used with an additional timer.
2) Must be used with additional temperature controls.
Table 6 Control accessories

Bosch EasyControl smart control system

Part number Description
7 736 701 341 EasyControl (white)
7 736 701 392 EasyControl (black)
7 738 112 351 EasyControl RF key
7 736 701 555 EasyControl TRV set (white)
7 736 701 556 EasyControl TRV set (black)
8 750 000 270 EasyConstrol smart TRV (individual)
Table 7 EasyControl accessories
Basic weather compensation sensor
Outdoor weather sensor (to activate on-board simple Weather
Compensation).
Part number Description
7 716 192 764 Outdoor weather sensor
Table 8 Control accessories
The outdoor weather sensor is supplied with the Sense II. It is optional
with the Comfort+ II RF. Weather compensation is available with the
EasyControl without the need for a physical outdoor sensor, however, it
can improve control accuracy for installations in isolated micro-climates
or highly sheltered locations such as valleys.
Product Information
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