gledhill GC2000/120/E-OV Design, Installation & Servicing Instructions page 25

3. Switch off space heating on clock/programmer or room thermostat
•
Horizontal LED bar 1 'HT' will switch off.
• Green LED 3 on the A.C.B. will switch off.
Heating pump will switch off.
4. Open the hot tap
•
Horizontal LED bar 3 'HW' on the LED display will light.
•
Domestic hot water pump will run.
5. Close the hot water tap
•
Horizontal LED bar 3 will remain alight for a short period of time before
switching off.
•
Domestic hot water pump will continue to run for a short period of time
before switching off.
6. The A.C.B incorporates a 3 minute pump overrun facility for the boiler. Check
green LED 2 remains lit for this period of time when the boiler switches off i.e.
the thermal store reaches temperature.
The control functions have now been checked. Let the boiler heat the store and when
the store is satisfied, i.e. green LED's 1 and 2 on the A.C.B are off, the radiator circuit
and hot water can be checked and balanced in the normal way.
Store_T1
(current value)
PHE_T2
(current value)
DHW_T3
(current value)
Fan speed %
Speed pulses
Supplied By www.heating spares.co Tel. 0161 620 6677
HT
ST
DHW
Sensor error
Press SW2
or
Press SW1
or
Press SW2
Sensor error
or
Press SW2
Press SW2
Press SW2
Figure 24
COMMISSIONING
7. Instruction to Users.
• Explain the system to the occupant.
• Instruct how to operate and control the
space heating, i.e. time clock and room
stat.
• Instruct the occupant to have the system
checked annually by a qualified engineer.
T1_ON T1_OFF
Press SW1
Press SW2
Sensor error
Temperatures shown are
examples only.
Page 25
Press SW1
Press SW2