Laars FT Series Installation And Operation Instructions Manual page 69

The FT Series Floor Standing, Combination Boiler
Index Default
5
AP:cP
29: AP
cP:Off
OFF
or
cP:On
30: dP 4 hrs
AqUA
31: SA dHr
dHr
32: rC 15 min
33: rt 10 min
34: HF 80%
35: Hn 50%
36 : Ho
ON
Parameter
CH System Pump and
DHW Indirect Pump Test
Mode
Boiler Pumps Test Mode
DHW Timeout Feature
Select AqUA or dHr
DHW in stand-by, DHW
recirc pump not running for
recirc for 15 min. (Applies
when not using DHW-R
sensor or aquastat; pairs
with P33)
DHW recirc pump run time
to reach DHW recirc temp.
Hybrid Off Firing Rate
(DHW mode change: CH-
Off, DHW ON)
Hybrid On Firing Rate
(CH mode change: CH +
DHW)
"Smart" DHW mode:
ON/OFF
Description
This function sets the time to run Boiler pump to purge air from the
system. Range: 1 – 30 minutes
Turn this function on to activate Boiler pump.
Only works in installation mode. Turns off when in normal mode.
Range: 0 - 12 hours, '0' OFF
Select Storage Type, Aquastats or DHW-recirc Sensor (Affects P24:
SF, P25: So)
- Aqua: DHW Recirculation Operation with aquastat (not supplied)
- dHr: DHW Recirculation Operation with DHW-R / surface sensor
(optional equipment)
- dHr Sensor not connection: Storage Operation
Range: 1 – 60 (min)
Range: 0 – 15 (min)
Activated during "Smart" DHW function,
Boiler firing rate has reached set maximum heating rate, deactivate
the external CH pump for DHW priority, Range 50 - 90%
During activate "Smart" DHW function,
Boiler firing rate has reached set minimum firing rate, activate
external CH pump, Range 30 - 50%
Activate "Smart" DHW operating function: ON/OFF
When set to ON, it operates in hybrid mode.
When set to OFF, it operates in normal mode. (DHW priority)
Page 69
To run continuously between
rC and rt
If flow is detected, rC timer
resets to zero.