© MHG Heating Ltd
36
MHG Heating Ltd Unit 4 Epsom Dow ns Metro Centre, Waterfield, Tadw orth, Surrey KT20 5LR
Telephone 01737 358000 Fax 08456 448803 Email
Web w w w .mhgheating.co.uk
010717
Configuration
5700
Presetting
Changed, Unchanged
Changed
-
5710
Heating circuit 1
Off, On
On
-
5711
Cooling circuit 1
Off, 4-pipe system cooling
Off
5715
Heating circuit 2
Off, On
Off
-
5721
Heating circuit 3
Off, On
Off
-
5730
DHW sensor
DHE sensor B3, Thermostat, DHW
outlet sensor B38
DHW Sensor B3
-
5731
DHW controlling element
No charging request, charging pump,
diverting valve
Diverting Valve
-
5732
Pump off change div valve
0
– 10s
0
S
5733
Delay pump off
0
– 10s
0
S
5734
Basic position DHW div valve
Last request, Heating circuit, DHW
DHW
-
5736
DHW separate circuit
Off, On
Off
-
5737
Optg action DHW div valve
Position on DHW, Position on heating
circuit
Position on DHW
-
5738
Mid-position DHW div Valve
Off, On
Off
-
5774
Ctrl boiler pump/DHW valve
All requests, Request HC1/DHW only
All requests
-
5775
Boiler pump with DHW
On, Off
On
-
5840
Solar controlling element
Charging pump, Diverting valve
Charging Pump
-
5841
External solar charger
Jointly, DHW storage tank, Buffer
storage tank
Jointly
-
5870
Combi storage tank
No, Yes
No
-
5890
Relay output QX1
None, Circulating pump Q4, El imm
heater DHWK6, Collector pump Q5,
Cons circuit pump VK1 Q15, Boiler
pump Q1, Bypass pump Q12, Alarm
output K10, 2
nd
pump speed HC1
Q21, 2
nd
pump speed HC2 Q22, 2
nd
pump speed HC3 Q23, Heat circuit
pump HC3 Q20, Cons circuit pump
VK2 Q18, System pump Q14, Heat
gen shutoff valve Y4, solid fuel boiler
pump Q10, Time program 5 K13,
Buffer return valve Y15, Solar pump
extexch K9, Solar ctrl elem buffer K8,
Solar ctrl elemswi pool K18,
Swimming pool pump Q19, Cascade
pump Q25, St tank transfer Q11,
DHW mixing pump Q35, DHW
intermcirc pump Q33, Heat request
K27, Refrigeration request K28, Heat
circuit pump HC1 Q2, Heat circuit
pump HC2 Q6, DHW ctrl elem Q3,
Instant heater ctrl elem Q34, Water
filling K34, 2
nd
boiler pump speed
Q27, Status output K35, Status
information K36, Flue gas damper
K37, Fan shutdown K38, dT
controller 1 K21, dT controller 2 K22
Boiler Pump Q1
-
5891
Relay output QX2
See Para 5890
None
-
5892
Relay output QX3
See Para 5890
DHW ctrl elem Q3
-