Remeha
Fuel oil/gas boilers
P 520
EN
Assembly
Instructions
300016864-001-C
63118
1 Package list
` Before starting to assemble the boiler, refer to the table below to check if you have received all the packages required.
Boiler body + Accessories
• Boilers supplied with an assembled body
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
Assembled boiler body (contents depend upon model) 1 111111
Cleaning tool kit (contents depend upon model) 1 111111
• Boilers supplied with an unassembled body
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
Base frame (dimensions depend upon model) 1 111111
Rear section 1111111
Normal intermediate section 8 10 12 14 15 17 19
Special intermediate section 3333444
Front section 1111111
Set of assembly rods + Cleaning tools (contents
depend upon model)
Standard accessory kit
(contents depend upon model)
Additional accessory kit (contents depend upon
model)**
Plain furnace plate 1111111
Flue gas connection plate with opening
Plain flue gas connection plate 111
Flue gas box 1111111
Distributing tube fitting* * * * 1 1 1
1 package FA 48 FA 50* FA 52* FA 54* FA 56 FA 58 FA 60
1 package FA 67** FA 69 FA 71 FA 73 FA 75 FA 77 FA 79
Ø 300
Ø 350
Ø 400 1 1 1 1
1111111
*The distributing tube fitting for P 520 boilers with 15 to 19 sections is included in the accessory package.
**The diaphragm for P 520 , 13 and 14 section boilers is delivered in the additional accessory kit package.
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P 520 25/01/2012 - 300016864-001-C
Baffle plates
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
Baffle plates
package CM 22 1 1 1
package CM 23 1 111222
Casing fittings
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
package RC 2 1 1 1
package RC 3 1 1 1 1
Casing fittings
package MR 4 1 1 1
package MR 5 1 1 1 1
package FA 10 2 2 1 2 1
package FA 11 212323
Casing, variable parts
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
package FA 16 1 1 1 1
package FA 18 1
package FA 20 1
package FA 22 1
package FA 23 1
package FA 24 1
package FA 25 1
package FA 27 1
Insulating material for body
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
package FA 34 1
package FA 35 1
package FA 36 1
Insulation
package FA 37 1
package FA 39 1
package FA 40 1
package FA 41 1
Control panel
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
Control panel package RC 6 1 111111
25/01/2012 - 300016864-001-C P 520
3
Accessories - Available as an option
Boiler P 520 - Number of sections 13 15 17 19 21 23 25
Furnace plate with hole
Ø 165/ 186/ 210/ 240 or Ø 295
Connecting plate with Ø 300 opening or plain
connecting plate or Plain connection plate
Set of anti-vibration studs 8208-7758 1 1
8208-7759 1 1
8208-7760 1 1 1
Refer to the applicable price list for the other optional features (control units etc.) which may be used with these boilers.
1111111
1111111
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P 520 25/01/2012 - 300016864-001-C
2 Mounting
Warning: Assemble the boiler in the order given by the numbers of each figure, in compliance with all the
instructions
Refer to the applicable price list for any optional features used.
Tools required
- 1 JD-TE or JD-TE Plus assembly tool
- 1 Flat screwdriver
- 1 "n°2 posidrive" screwdriver
- 1 10, 13, 17, 19 spanners
- 1 22 tubular box spanner
- 1 27 tubular box spanner
- 1 electric screwdriver + 1 "n°2 Philipps" screwdriver bit
- 1 Stanley knife
- Silicone filler (Supplied)
Boilers supplied with an assembled body
- Hydraulic test: See fig. 18
- Mounting: start assembly from figure 35
.
Mounting the boiler body:
Assemble the boiler body from the rear to the front:
- assemble the rear section,
- assemble all the normal intermediate sections,
- assemble all the special intermediate sections,
- assemble the front section.
The number of sections of each type is provided in the table below
104
Section type
8228-0004
P 520-13 1831
P 520-15 11031
P 520-17 11231
P 520-19 11431
111
2
8228-0001
151
3
8228-0002
104
4
8228-0003
P 520-21 11541
P 520-23 11741
P 520-25 11941
Rear section
Normal intermediate section
Special intermediate section
Front section
25/01/2012 - 300016864-001-C P 520
5
1
E
D
S
S
U
S
O
B
E
N
TO
P
D
E
S
S
US
OBEN
TOP
M000056
F
R
ONT
V
ORN
A
V
A
NT
F
R
O
NT
V
O
R
N
A
V
A
N
T
19
1
2
3
3
3
DE
SSU
O
BE
S
TOP
N
ANTA
3
V
NT
VORN
OR
F
2
3
`
to : Assembly of the base frame, delivered unassembled.
DESS
US
TOP
NOBE
NAVA T
VORN
FRONT
M000309
` Place the frame on the floor, taking care to note the TOP and FRONT positions.
` Fit the fastening brackets as shown, depending on the type of boiler (1 Screw Ø 12x40 - 19 spanner).
6
P 520 25/01/2012 - 300016864-001-C
2
M000057
` Establish the location of the frame on the basis of the opening direction of the furnace door and the length of the burner. Leave enough
clearance at the rear of the boiler for water connections and the distributing tube.
` Fit the rear section on the frame, behind the fastening brackets (see detailed drawing) and prop it up.
` Insert the lower assembly rods in the holes of the rear section and the fastening brackets of the frame, in order to position the rear section
correctly according to the frame
3
00 8M00 5
` Clean all the openings in the section with a brush. Remove any deposit on the bottom of the section.
25/01/2012 - 300016864-001-C P 520
7
4
100
a
100
001
M000059
100
` Fill the bottom of the U groove (located on the periphery of the section) with a continuous bead of DOW CORNING silicon, diameter
approximately Ø 5 mm.
Caution: silicon must not be applied 100 to either side of the connection (nipple assembly area).
5
M000060
` Fit the Ø 10.5 mm diameter thermocord into this U groove and into the groove which circles the furnace.
Note: Do not pull on the seal while inserting it. Otherwise, you may stretch it and reduce its thickness.
8
P 520 25/01/2012 - 300016864-001-C
6
Remove any traces of rustprotective paint so that the surface is perfectly smooth.
Coat with the lubricant supplied with the sections.
Handle the nipples with gloves, there might be sharp
edges.
Clean the bores and nipples with diluent.
7
A
R
R
I
ÈR
E
D
ES
S
US
O
B
E
N
T
O
` Gently push in the 2 nipples.
M000062
A
R
R
I
È
R
E
DE
S
S
U
S
O
EB
N
T
OP
A
V
A
P
VA
A
N
T
NT
25/01/2012 - 300016864-001-C P 520
9
8
010
100
` Fill the bottom of the W groove opposite the U groove for the intermediary parts (located on the periphery of the section) with a continuous
bead of DOW CORNING silicon, diameter approximately Ø 5 mm.
010
100
M000063
9
Rear section
1
Intermediate section
2
M000064
` Place the first normal intermediate section, making sure that it is turned in the right direction, i.e. with the flattening groove against the
thermocord.
` For safety, insert a lateral assembly rod (supplied) in the holes of the 2 sections.
` Push the section gently and simultaneously on the 2 nipples of the rear section with a hammer and a piece of wood positioned in line with
the bores.
10
P 520 25/01/2012 - 300016864-001-C
10
M000065
` Put the assembly tool in position.
Tighten gradually so as to bring together the upper and lower connections evenly and simultaneously.
11
M000066
` Assemble the remaining intermediate sections one by one, to the procedure stated in figures 3, 4, 5, 6, 7, and 8.
` First assemble the normal intermediate sections, then the special ones.
Leave the assembly tool in place.
25/01/2012 - 300016864-001-C P 520
11
12
M000067
` Trim off any projecting ends of the thermocords the sweeping covers.
13 Fitting the upper and lower assembly rods
M06000 8
2
` On the lower assembly rods, fit the following at each end in the given order : an expansion spring, a washer and a nut (the holes of the
front lugs must be aligned with the holes of the frame brackets as the assembly rods are used to make the boiler body integral with the
frame).
` Stop tightening as soon as the gap between the spring spires is equal to about 2 mm.
12
P 520 25/01/2012 - 300016864-001-C
14
21
2
2
00069M0
` Put in place the upper assembly rods in the two front and rear lugs.
Rear
Front
` Mount the 2 crosspieces (supplied in package FA 5/6) with their bends turned backwards and fasten them to the rods with an expansion
spring, 1 nut and 1 washer
` Remove the assembly tool.
25/01/2012 - 300016864-001-C P 520
13
15 Assembling the side assembly rods
- The side assembly rods must be assembled from the rear to
the front.
- The rods must be inserted in the holes stated in the diagrams
(the lugs of the sections in which the assembly rods are to be
inserted have 2 holes).
1 mm
A
A
B
B
1
C
A
300 mm
520 mm
D
C
C
1 mm
P520-13
C
A
300 mm
520 mm
D
- Place the expansion spring and washer on the rear of each
rod.
- Stop tightening the nuts as soon as the gap between the
spires of the springs is about 1 mm.
D
420 mm
420 mm
D
1 mm
520 mm
C
520 mm
C
1 mm
B
B
E
A
2
1
C
A
D
420 mm520 mm
520 mm520 mm
C
2
B
P520-15
A
1
E
420 mm
D
C
420 mm
D
420 mm520 mm
C
520 mm
D
C
420 mm
520 mm520 mm
C
520 mm
B
2
B
P520-17
E
420 mm
D
C
520 mm
D
C
420 mm420 mm
520 mm
B
M000072
Rear
Front
14
P 520 25/01/2012 - 300016864-001-C
A
A
B
B
C
C
1 mm
D
D
1 mm
E
A
A
A
1 mm
E
E
C
420 mm
C
420 mm
520 mm
520 mm
520 mm
520 mm
1 mm
21
C
520 mm
D
520 mm
D
420 mm
C
520 mm
B
P520-19
C
520 mm
D
520 mm
C
D
520 mm
D
520 mm
420 mm
D
385 mm
C
520 mm
B
21
C
520 mm
B
P520-21
D
520 mm
C
520 mm
D
385 mm
C
520 mm
B
E
E
Rear
Front
E
E
420 mm
D
420 mm
D
420 mm
D
420 mm
D
520 mm
420 mm
420 mm
520 mm
21
420 mm
C
D
C
520 mm
520 mm
D
C
385 mm
520 mm
B
P520-23
420 mm
C
D
C
520 mm
D
C
520 mm
C
520 mm
520 mm
520 mm
C
D
385 mm
C
D
385 mm
520 mm
520 mm
B
21
B
P520-25
C
520 mm
D
C
520 mm
520 mm
D
C
385 mm
520 mm
B
M000073
25/01/2012 - 300016864-001-C P 520
15
16 Assembling the pocket and the plugs
P520-13/15/17/19
P520-21/23/25
1
M000074
Safety pressure sensitive switch
Assembling the safety pressure sensitive switch only valid for the Netherlands !
` Assemble the pocket for the thermostats and thermometer in:
• the third special intermediate section - 150 mm wide, 1/2’’ hole for P 520-13 to P 520-19
or
• the fourth special intermediate section - 150 mm wide, 1/2’’ hole for P 520-21 to P 520-25.
` Plug the 2 free 1/2’’ holes for P 520-13 to P 520-19 or the 3 free 1/2’’ holes for P 520-21 to P 520-25 in the special intermediate sections.
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P 520 25/01/2012 - 300016864-001-C