Table of Contents
Advertisement
7.5 AUXILIARY HEATING COIL (INDIRECT) UNITS
Fill the auxiliary heating (indirect) primary circuit following the boiler manufacturer's commis-
sioning instructions. To ensure the auxiliary primary heating coil in the Megaflo Solar is filled the
2-port motorised valve (supplied) should be manually opened by moving the lever on the motor
housing to the MAN OPEN setting. When the auxiliary heating primary circuit is full return the
lever to the AUTO position. Vent any trapped air by opening the air bleed.
Switch on the boiler, ensure the programmer is set to Domestic Hot Water. Allow the Megaflo
unit to heat up and check that the indirect thermostat and 2-Port motorised valve operate cor-
rectly. A storage temperature of approx. 60
indirect thermostat). If necessary the temperature can be adjusted by inserting a flat bladed
screwdriver in the adjustment knob (located on the front of the thermostat mounting bracket see
Diagram 13) and rotating. The minimum thermostat setting is 10
represents a temperature range of 30
Check that no water is discharged from either the Expansion Valve or Temperature and Pres-
sure Relief Valve during the heating cycle.
7.6 BENCHMARK
On completion of the installation and commissioning procedures detailed in this manual the
Benchmark
and signed off by the competent installer or commissioning engineer in the relevant sections.
The various system features, location of system controls, user instructions and what to do in
the event of a system failure should be explained to the customer. The customer should then
countersign the Benchmark
The log book should be left with the customer along with these instructions. The log book
includes sections that should be filled in when any subsequent service or maintenance operation
is carried out on the Megaflo Solar.
24
24
LOG BOOK
TM
"Installation, Commissioning and Service Record Log Book" should be completed
TM
log book to accept completion.
TM
tech
C is recommended (approx. graduation 4 on the
o
to 70
C.
o
o
C. The adjustment range 1 to 5
o
Advertisement
Table of Contents
