Honeywell VK41 R Series Instruction Sheet Download Page 2

EN1R--9137 9808R6--NE

2

K

62

45

84

37

13

24

24

12

96

42

85

17

105**

38

18

22

101

80.8

37

8

30

25

A

-- Side pilot outlet (optional) ”O”--ring Ø 4.47 x Ø 1.78 mm

B

-- M5 x 0.8 (3) 6 mm full thread

C

-- ”O”--ring Ø 15.55 x Ø 2.62 mm

D

-- Ratio adjustment (optional)

E

-- Pressure tap air pressure low 9 mm outer diameter

F

-- Pressure tap air pressure High 9 mm outer diameter

G

-- Offset offset adjustment screw

H

-- Hole Ø 2.6 mm to connect ignition controller

I

-- Minimum pressure adjustment (optional)

J

-- Side outlet

K

-- Pressure tap gas pressure (2) 9 mm outer diameter

L

-- Maximum pressure regulator (optional)

M

-- M5 x 0.8 pressure feedback connection

N

-- Outlet Ø 18 mm or

1

/

2

” ISO 7--1 thread

O

-- Air pressure connection low M11 x 1

P

-- Air pressure connection high M11 x 1

Q

-- M8 x 1 pilot outlet for 4 mm tubing

R

-- Molex 1.1 square pin header

S

-- Flange thread

3

/

8

” or

1

/

2

” ISO 7--1 thread

T

-- Inlet Ø 18 mm or

1

/

2

” ISO 7--1 thread

U

-- Mounting hole M5 x (2) for tapping screws 3.9 DIN 7990

V

-- M4 x 0.7 (4) 6.5 mm full thread

A

C

B

D

E

F

G

H

J

L

O

Q

P

R

S

T

U

I

M

N

Fig. 1. Adjustment points and dimensions

* For 220 V DBI only

V

V

24

24

29

98*

** 115 mm for threaded body

Side outlet option

Summary of Contents for VK41 R Series

Page 1: ...in burner of domestic central heating equipment warm air furnaces back boilers and water heaters VK41 R VK81 R combined gas controls hold a first electric on off direct operator for opening the safety valve of class A or class B according to EN161 and a second electric on off servo operator of class B or class C to EN 161 VK41 R VK81 R combined gas controls comply with the additional requirement f...

Page 2: ...onal J Side outlet K Pressure tap gas pressure 2 9 mm outer diameter L Maximum pressure regulator optional M M5 x 0 8 pressure feedback connection N Outlet Ø 18 mm or 1 2 ISO 7 1 thread O Air pressure connection low M11 x 1 P Air pressure connection high M11 x 1 Q M8 x 1 pilot outlet for 4 mm tubing R Molex 1 1 square pin header S Flange thread 3 8 or 1 2 ISO 7 1 thread T Inlet Ø 18 mm or 1 2 ISO ...

Page 3: ...ustable amplification factor Amplification factor Minimum outlet pressure mbar Range Nominal pressure mbar 3 5 5 5 1 5 7 10 10 2 5 10 5 15 15 3 5 17 5 25 25 5 5 Outlet pressure Po Outlet pressure is pressure drop across the main burner orifice Air pressure difference Pair high Pair low Offset Offset Po Pair high x A Offset range 0 5 x A 0 0 x A mbar depending on O S number Outlet pressure range 0 ...

Page 4: ...pright position i e from the position when coil is on top When mounted in 90_ from the upright position a deviation of more than 3_ can result in an unacceptable deviation of gas pressure Al least one of the air connections must be made with a metal tube with an outside diameter of 6 mm To prevent blockage due to condensation the positive air pressure connection should not be connected to combusti...

Page 5: ...r to have gas input to burner and ignite boiler Adjust CO2 at the desired value at low output with offset adjustment screw Turn offset adjustment screw counter clockwise to increase CO2 Replace cap screw and tighten pressure taps Offset adjustment on outlet pressure Remove cap screw with a screw driver to expose offset adjustment screw Check gas supply pressure to the appliance using a pressure ga...

Page 6: ...9137 9808R6 NE 6 Home and Building Control Combustion Controls Center Europe Honeywell BV Phileas Foggstraat 7 7821 AJ Emmen The Netherlands Tel 31 591 695911 Fax 31 591 695200 http europe hbc honeywell com ...

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