General
T6 IVC
SERIES RADIATOR
I
nstallation Guide
Myson Inc./Rettig USA 45 Krupp Drive, P.O. Box 1460, Williston, VT 05495 www.mysoncomfort.com
A variety of matching valves and other accessories are available and recommended from MYSON. For
specific applications see our detailed installation and technicals manuals and price book which are
available on our web site.
It is assumed that the installer has the appropriate technical knowledge related to
building codes, standard trade practices, and proper use of the tools of the trade.
Myson radiators should only be used with recirculation pump closed loop hydronic heating systems such as 2 pipe
reverse return, 2 pipe direct return, 1 pipe monoflo or homerun piping systems. Series loop piping is not
recommended. Myson radiators are not for use in gravity or steam systems. Position your radiator away from your
circulator pump to avoid either excess pressure that could force water out the air vent or excess suction that could
draw air into the system. The suggested location for your Myson radiator, where possible, is below a window
where it can minimize downdrafts from glazed areas. Mounting the radiator a minimum of 4 inches off the floor
willaprovideaforaadequateaconvection.
Myson T6
radiators are supplied with a drain plug, vent plug, mounting brackets, TRV insert and connection adapters.
Failure to flush system of debris and flux may cause premature radiator failure, which can result in leaks and
property damage NOT covered under the Myson Warranty.
Step 1 Fill and vent the system.
Step 2 Run the system for two (2) hours at full temperature with all radiator valves in the open position.
Step 3 Shut off and drain the system while the water is still hot.
Step 4 Refill the system.
Step 5 Reheat, vent, and balance the system.
Step 6 Once the T6 Radiator is filled with water the system should be left filled.
Step 7 System should be checked for leaks on seasonal start-ups. Leaks must be repaired
as automatic system fill valves allow fresh water/oxygen into the system attacking
radiators internally.
SYSTEM START-UP
MAINTENANCE &
CLEANING
1 Once operating, avoid the introduction of fresh water and oxygen to the system to prevent corrosion.
2 An occasional wiping with a damp cloth using a non-abrasive detergent can protect the finish of your
Myson radiator.
3 The use of abrasive cleaners will damage the surface of your radiator and void the manufacturer’s warranty.
DESIGN AND LAYOUT CONSIDERATIONS:
NOTE! For instuctions on how to connect the T6 radiator using the 4 side connections please consult the
"Optional Side Connection Installation Addendum
"available at MysonComfort.com.
V
ALVE ROUGH-IN:
The Myson T6 radiator is intended to be installed using the bottom center 3/4"
connections. The supply MUST be connected to the left hand connection as you face the radiator in order for the
internal thermostatic valve to work.
MOUNTING: Myson T6 radiators are supplied with welded mounting lugs located 3-15/16" in from each end.
These lugs accept the included KOM (BH) wall brackets. Optional SIGARTH brackets may be positioned
anywhere along the length of the radiator to accommodate retofit appplications
For more detailed bracket installation dimensions and mounting positions please consult the
detailed installation manual available at MysonComfort.com and/or the assembly instructions
included with the mounting brackets.
SAFETY PRECAUTIONS
Radiators are hot when in use, and as such, present a risk of burns to users on prolonged contact. The
temperature of a radiator is dependent on the temperature of the system water, as set by the system installer
or user. Installers and users should take all necessary steps to minimize the risks of burns. If the risk is
significant, consideration should be given to installing low surface temperature radiators, or to placing guards in
front of the radiators.
For
the correct installation of radiators it is essential that the mounting of the radiator to the wall is carried out
in such a way that it is suitable for intended use AND predictable misuse.
VENT LOCATION: The vent and the internal valve location can be reversed in the field.
Standard Connections:
4 x internal thread G
1/2“ BSP side 4 corners
2 x external thread G 3/4" bottom center
Maximum positive operating pressure: 145 psi
Maximum operating temperature: 230° F
10
10
10
Pictured is the optional HV-S valve
commonly installed when using the
bottom center connections. (Also
available is the HV-A angle
version)
MAR 2016
Myson Inc./Rettig USA 45 Krupp Drive, P.O. Box 1460, Williston, VT 05495 www.mysoncomfort.com
T6 IVC SERIES
Specification Data
PANEL RADIATORS
T621 & T622 models
X
4-1/8"
1-13/16"
1-1/16"
4" Min
X
Mounting
Bracket
41/
16
ZY
23/
16
21/
2
47/
16
29/
16
215/
16
41/
2
25/
8
KOM (BH)
Short Side*
KOM (BH)
Long Side*
SIGARTH (EZ)
* From wall to radiator
2-5/16"
Z
Y
1/4"
For bottom center connections use dimension Z from wall. When using
bottom center connections Supply and Return connections are 2"CC at
radiator center.
2"
Order Code
Nominal
Length
(mm - inches)
Output*
Weight
(lbs)
Water
Content
(gals)
T621-3-92
T621-3-12
T621-3-14
T62
1-3-16
920 - 361/
4
1200 - 471/
4
1400 - 551/
8
1600 - 63
35
44
57
50
3486
4549
6063
5304
T621-3-20
T621-4-06
T621-4-08
2000 - 78
3
/
4
70
31
39
7578
2839
3789
T621-3-18
1800 - 70
7
/
8
64
6818
T621-4-92
T621-4-10
45
48
4354
4734
0.
95
1.24
1.65
1.44
1.85
2.06
1.06
0.79
1.
22
1.32
Height 300mm
11
13
/
16
in
Btuh @
1800F AWT
Output*
2684
3502
4669
4084
5835
2186
2918
5250
3353
3645
Btuh @
1600F AWT
Output*
1952
2527
3395
2970
4244
1590
2122
3818
2438
2651
Btuh @
1400F AWT
T621-4-12
57
5679
T621-4-14
T621-4-16
66
75
6628
7573
1.
58
1.85
2.11
4373
5104
5832
3180
2712
4241
Height 400mm
15
3
/
4
in
600 - 235/
8
800 - 311/
2
920 - 361/
4
1000 - 393/
8
1200 - 471/
4
1400 - 551/
8
1600 - 63
T621-5-04
T621-5-06
T621-5-08
T621-5-92
T621-5-10
T621-5-12
T621-5-14
T621-5-16
400 - 153/
4
600 - 235/
8
800 - 311/
2
920 - 361/
4
1000 - 393/
8
1200 - 471/
4
1400 - 551/
8
1600 - 63
25
36
53
46
57
67
88
78
2220
3328
5105
4440
5548
6656
8876
7768
T621-5-20
T621-6-04
T621-6-06
2000 - 78
3
/
4
109
29
41
11096
2455
3680
T621-5-18
1800 - 70
7
/
8
99
9988
T621-6-92
T621-6-12
60
77
5643
7361
0.65
0.
97
1.49
1.29
1.61
1.94
2.58
2.26
2.90
3.22
1.13
0.75
1.73
2.25
Height 500mm
19
11
/
16
in
1709
2562
3931
3419
4272
5125
6834
5981
8544
1890
2834
7691
4345
5668
1243
1864
2859
2486
3107
3727
4970
4350
6214
1375
2061
5593
3160
4122
T621-6-16
101
9816
T621-6-18
T621-6-20
1
13
125
11046
12271
3.00
3.38
3.76
7558
8505
9449
5497
6186
6872
Height 600mm
23
5
/
8
in
400 - 153/
4
600 - 235/
8
920 - 361/
4
1200 - 471/
4
1
600 - 63
2000 - 78
3
/
4
1800 - 70
7
/
8
*
Outputs are based on a delta T of 20F and EAT of 68F.
For outputs based on other
AWT
and/or other EAT please consult our radiator correction chart.
Order Code
T621-3-XX
T621-4-XX
T621-5-XX
11
1
3
/
16
153/
4
1911/
16
Nominal Heigh
t
(inches)
Btuh/ft at
1800F AWT*
1154
1442
1690
1869
Weight
(lbs/ft)
Water
Content
(
gals/ft)
646
808
947
1047
0.314
0.402
0.491
Btuh
/ft at
1400F AWT*
11.6
15.8
18.3
20.8
888
1111
1301
1440
Btuh/ft at
1600F AWT*
T621-6-XX
235/
8
0.572
1-13/16"
Z
Y
X
3-1/8"
4" Min
1-1/16"
1-7/8"
1/4"
2"
T621
T622
A
B
Nominal Height
1113/
16
153/
4
235/
8
(in)
(in) (in)
6
10
1713/
16
911/
16
135/
8
211/
2
Dimension (in)
T621
X
51/
16
Z
Y
23/
16
215/
16
57/
16
29/
16
33/
8
51/
2
25/
8
33/
8
Dimension (in)
T622
215/
16
Output*
Weight
(lbs)
Water
Content
(gals)
41
52
68
60
4553
5941
7922
6931
84
37
47
9902
3680
4910
76
8912
54
58
5643
6136
0.
95
1.24
1.65
1.44
1.85
2.06
1.06
0.79
1.
22
1.32
Btuh @
1800F AWT
Output*
3506
4575
6100
5337
7625
2834
3781
6862
4345
4724
Btuh @
1600F AWT
Output*
2550
3327
4436
3882
5545
2061
2750
4991
3160
3436
Btuh @
1400F AWT
69
7361
80
91
8591
9816
1.
58
1.85
2.11
5668
6615
7558
4122
4811
5497
29
42
62
54
67
79
104
92
2790
4187
6420
5579
6977
8374
11
163
9766
129
33
47
13593
3097
4648
117
12556
69
89
7126
9286
0.65
0.
97
1.49
1.29
1.61
1.94
2.58
2.26
2.90
3.22
1.13
0.75
1.73
2.25
2148
3224
4944
4296
5372
6448
8
596
7520
10744
2385
3579
9668
5487
7158
1562
2345
3595
3125
3907
4689
6252
5469
7814
1734
2608
7031
3990
5206
117
12393
131
145
13940
15491
3.00
3.38
3.76
9543
10734
11928
6940
7806
8675
Order Code
T622-3-92
T622-3-12
T622-3-14
T622-3-16
T622-3-20
T622-4-06
T622-4-08
T622-3-18
T622-4-92
T622-4-10
T622-4-12
T622-4-14
T622-4-16
T622-5-04
T622-5-06
T622-5-08
T622-5-92
T622-5-10
T622-5-12
T622-5-14
T622-5-16
T622-5-20
T622-6-04
T622-6-06
T622-5-18
T622-6-92
T622-6-12
T622-6-16
T622-6-18
T622-6-20
Order Code
T622-3-XX
T622-4-XX
T622-5-XX
Btuh/ft at
1800F AWT*
1507
1869
2127
2361
Weight
(lbs/ft)
Water
Content
(
gals/ft)
844
1047
1191
1325
0.314
0.402
0.491
Btuh
/ft at
1400F AWT*
14.2
18.8
21.3
23.9
1161
1440
1638
1818
Btuh/ft at
1600F AWT*
T622-6-XX
0.572
Specifications per Linear Foot
All Dimensions are nominal
Radiators less than 70" long require 2 mounting brackets
Radiators 70" and longer require 3 mounting brackets
1911/
16
137/
8
1
79/
16
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