Danfoss Mid-Position Valve System Application guide

Mid-Position Valve System

Wiring Box

Mid-position Valve

Cylinder Thermostat

Lockshield Valve

Automatic

Bypass Valve

Radiator Thermostat

																				Room Thermostat
Programmer
Pump									Boiler
																																			Permanent links
Wiring Information	1	2	3		4	5	6		7	8	9		10		11		12			13		14	15		16		L		N						Links to be made
																																			by installer

L

N

3

2

N

á

á á

á

á

á

L

N

3

2

RET B

Mains supply

1

2

4

RMT230

(Fuse 3A)

L

3

N

RET230

COM

CALL

N

Room Thermostat

L

N

12

á

á

á

á

L

N

Sw.L

* Boiler

13

N

á

á

á

L

N

* Pump

15	14	16
á	á	á		á
1	2	3
COM	CALL	SAT
ATC Cylinder Thermostat
4	N	7		6
á	á	á		á

White/Brown Blue Grey Orange

	HTG. L N	HW Sw. L
		Off

HS3 Mid-position valve

* Refer to boiler wiring information for boilers with pump overrun.

				N	11	8	10	9
	á			á	á	á	á	á
PROGRAMMER				N	L	OFF	ON	ON	Links
						WATER		HTG
CP715 Si, FP715-Si & TP9	-			N	L	1	3	4	-
SET3M, SET3E & FP975	-			N	L	3	1	4	L, 2 & 5
SET2E	-			N	L	-	1	4	L-2, 1-5
102 & 102E7	-			N	L	-	1	2	L-3
4033				7	6	5	4	2	1-6
3060 & 3020P				7	6	-	4	2	-
TIMESWITCH	Note: When using units below link 11-9 on
	wiring centre
103 & 103E7	-			N	L	-	1	-	L-3
TS715 Si	-			N	L	-	4	-	L-1
SET1E	-			N	L	-	4	-	L-5

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