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7115344.01 - en
INSTRUCTIONS PERTAINING TO THE INSTALLER
Figure 6
CT_0664 / 0906_2202
10.1 HYDRAULIC SYSTEM 1
(Pumped heating circuits with remote control QAA73 or Room Thermostat, including hot-water tank,
with primary loop)
Applications and Installation Details
- TS: Tank Sensor (QAZ36)*
- B3: Room Control Module (QAA73)*
- B1: Room Thermostat*
- B9: Outdoor Temperature Sensor (QAC34) supplied with the boiler
- P1: Heating Pump
- PDHW: Hot Water Pump
- PLP: Primary Pump
(*) Available Optional Extra
- Pumps, Hot Water Cylinder, Low Loss Header , Non return valve (Not supplied)
- Installer Wiring ---------------
Applications (pumps, sensor, remote control ...) have to be connected to terminal as follows (see also section 12):
WITH QAA73
WITH
REMOTE CONTROL
ROOM THERMOSTAT
APPLICATION
TERMINAL BOARD
TERMINAL BOARD
PRIMARY PUMP PLP
M1: A – B
M1: A – B
DHW PUMP PDHW
M3: 13 – 14
M3: 13 – 14
HEATING PUMP P1
M3: 11 – 12
M3: 11 – 12
DHW SENSOR TS
M2: 7 – 8
M2: 7 – 8
REMOTE CONTROL QAA73
M2: 1 – 2
NO
ROOM THERMOSTAT
M2: 3 – 4 OPEN
M2: 3 – 4