Data Sheet
SSM Floor Heating Manifold
Application
Ordering
The manifold consists of a supply and return manifold. The supply manifold includes possibility for
individual shut-off of each circuit on flowmeter
or shut-off valve. The return manifold is equipped
with integrated Danfoss presetting valves securing optimal hydraulic balance in the system.
The valves can be controlled electronically by thermal actuators or act as self-acting units by means
of remote temperature adjusters.
The manifold is supplied in modules of up to
12 outlets. Ball valves are available as an option for
The SSM manifold is used for controlling water
flow in under floor heating systems. Each tube of
the floor heating system is connected to the manifold, thus making it possible to control water flow
or heat supply to each room in the building individually.
Description Type Code no.
Manifold set 2+2, with flowmeter SSM-2F 088U0752
Manifold set 3+3, with flowmeter SSM-3F 088U0753
Manifold set 4+4, with flowmeter SSM-4F 088U0754
Manifold set 5+5, with flowmeter SSM-5F 088U0755
Manifold set 6+6, with flowmeter SSM-6F 088U0756
Manifold set 7+7, with flowmeter SSM-7F 088U0757
Manifold set 8+8, with flowmeter SSM-8F 088U0758
Manifold set 9+9, with flowmeter SSM-9F 088U0759
Manifold set 10+10, with flowmeter SSM-10F 088U0760
Manifold set 11+11, with flowmeter SSM-11F 088U0761
Manifold set 12+12, with flowmeter SSM-12F 088U0762
Manifold set 2+2 SSM-2 088U0802
Manifold set 3+3 SSM-3 088U0803
Manifold set 4+4 SSM-4 088U0804
Manifold set 5+5 SSM-5 088U0805
Manifold set 6+6 SSM-6 088U0806
Manifold set 7+7 SSM-7 088U0807
Manifold set 8+8 SSM-8 088U0808
Manifold set 9+9 SSM-9 088U0809
Manifold set 10+10 SSM-10 088U0810
Manifold set 11+11 SSM-11 088U0811
Manifold set 12+12 SSM-12 088U0812
positive shut-off between manifold and system.
The SSM manifold is supplied with a manual air-
vent and a purge valve.
© Danfoss | FEC | 2021.04
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Data Sheet SSM Floor Heating Manifold
Accessories
Description Type Code no.
FHF-MB 088U0585
Mounting brackets — set (offset)
SSM-MB 088U0595
Mounting brackets — set (straight) SSM-MB 088U0596
2 × ball valve 1” — for connection to manifold and
for blocking of floor heating system
1 × thermometer (0 °C to 60 °C) Ø 35 mm —
for flow/return temperature measurement
Union, 1” — 088U0820
Replacement valve for manifold — 013G7376
FHF-BV 088U0822
FHD-T 088U0029
Reducing Bush FHF-R 088U0584
Connection piece FHF-C 088U0583
Flowmeter — 088U0819
Thermal actuator, 24V, NC,
Danfoss RA connection to valve
Thermal actuator, 230V, NC,
Danfoss RA connection to valve
Thermal actuator, 24V, NC, with end switch,
Danfoss RA connection to valve
Stuffing box for manifolds DZR 013G0554
Automatic air ventilation valve SSM-AV 088U0945
TWA-A 088H3110
TWA-A 088H3112
TWA-A 088H3114
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Insulation capsule for SSM manifold SSM-I 088U0824
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Data Sheet SSM Floor Heating Manifold
Compression fittings
Description Type, mm Code no.
12 × 2 013G4152
13 × 2 013G4153
14 × 2 013G4154
Compression fittings for PEX tubing in
accordance with ISO 15875.
Max working pressure: 6 bar
Test pressure: 10 bar
Max. flow temperature: 95 °C
G ¾” internal thread
Max. flow temperature given by the tube
manufacturer must not be exceeded.
15 × 2,5 013G4155
16 × 1,5 013G4157
16 × 2 013G4156
16 × 2,2 013G4163
17 × 2 013G4162
18 × 2 013G4158
18 × 2,5 013G4159
20 × 2 013G4160
20 × 2,25 013G4093
20 × 2,5 013G4161
12 × 2 013G4182
Compression fittings for ALUPEX tubing.
14 × 2 013G4184
15 × 2,5 013G4185
Max working pressure: 6 bar
Test pressure: 10 bar
Max flow temperature: 95 °C
G ¾” Internal thread
Max flow temperature given by the tube
manufacturer must not be exceeded.
16 × 2 013G4186
16 × 2,25 013G4187
18 × 2 013G4188
20 × 2 013G4190
20 × 2,25 013G4093
1)
1)
2)
2)
20 × 2,5 013G4191
1)
Compression fittings also suitable for PERT tubing in accordance with ISO 15875.
2)
Compression fittings also suitable for PERT/ALU/PERT tubing.
© Danfoss | FEC | 2021.04
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Data Sheet SSM Floor Heating Manifold
Capacity/commissioning
The pre-setting of the manifold valves determines
the flow in the floor heating tubes and is therefore
an important factor for obtaining optimal hydraulic balance in the system.
A correct hydraulic balance is important if optimal
comfort shall be achieved with a minimum of energy consumption and is easily carried out following the example shown below.
Example
Room 1: 1. Determine longest tube/largest room 25 m
2. Desired cooling (Δt) 5 °C (typical)
3. Determine heat requirement for the room 50 W/m
4. Conversion factor 1,16
5. Calculation of flow for the room
Q (l/h) =
50 W/m2 × 25 m
5 °C × 1,16
2
= 216 l/h
Room 2: 6. Determine area for the next room 15 m2
7. Calculation of flow for the room (Δt and heat
requirement is assumed identical for the rooms
in this case)
Q (l/h) =
50 W/m2 × 15 m
5 °C × 1,16
2
= 129 l/h
Manifold,
with flowmeter
Pre-setting:
Room 1 N
Room 2 5
2
2
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Manifold,
without flowmeter
Pre-setting:
Room 1 N
Room 2 6
AI195986472412en-000501
Data Sheet SSM Floor Heating Manifold
Presetting the manifold
valves
Operation conditions
The diagram shows the capacities for each heating circuit at different presettings of the manifold
valves.
Supply manifold
with flowmeter
Based on the above calculations and capacity diagram each manifold valve is preset by rotating the
red ring until the correct value on the ring is in-line
with the sight mark on the valve.
Supply manifold
without flowmeter
System layout
Max differential pressure 0,6 bar 0,6 bar
Max working pressure 6 bar 10 bar
Max test pressure 10 bar 16 bar
Max flow temperature 90 °C 90 °C
© Danfoss | FEC | 2021.04
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Data Sheet SSM Floor Heating Manifold
L1
55
78
L1
55
78
Dimensions
G1 ISO228/1
213
G1 ISO228/1
G1 ISO228/1
213
50
G1 ISO228/1
359
G1 ISO228/1
50
G1 ISO228/1
359
G1 ISO228/1
G1 ISO228/1
with 088U0585 brackets set
Type 2+2 3+3 4+4 5+5 6+6 7+7 8+8 9+9 10+10 11+11 12+12
L1 (mm) 190 240 290 340 390 440 490 540 590 640 690
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Data Sheet SSM Floor Heating Manifold
L1
42
65
L1
42
65
Dimensions
G1 ISO228/1
213
G1 ISO228/1
G1 ISO228/1
213
50
G1 ISO228/1
359
G1 ISO228/1
50
G1 ISO228/1
359
G1 ISO228/1
G1 ISO228/1
with 088U0595 brackets set
Type 2+2 3+3 4+4 5+5 6+6 7+7 8+8 9+9 10+10 11+11 12+12
L1 (mm) 190 240 290 340 390 440 490 540 590 640 690
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L1
36,5
L1
36,5
71,5
Dimensions
71,5
G1 ISO228/1
208
G1 ISO228/1
G1 ISO228/1
208
50
G1 ISO228/1
344
G1 ISO228/1
50
G1 ISO228/1
344
G1 ISO228/1
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G1 ISO228/1
with 088U0596 brackets set
Type 2+2 3+3 4+4 5+5 6+6 7+7 8+8 9+9 10+10 11+11 12+12
L1 (mm) 190 240 290 340 390 440 490 540 590 640 690
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