Section 1 General Information; A Introduction; B Model Identification; C Warranty - Laars MagnaTherm HTD Series Installation And Operation Instructions Manual

SECTION 1 General Information

1.A Introduction

This manual includes information which will help you
to install, operate, and maintain the Laars Heating
Systems MagnaTherm HTD. Please read this manual
completely before proceeding with the installation.
If you have any questions regarding this equipment,
please contact Laars Heating Systems, or your local
Laars representative. Experience has shown that most
operating problems are caused by improper installation.
 M odelIdentification
1.B
Primary information regarding your unit can be found
on the Rating Plate on the outside face of the
right-side panel.
1 2 3
M G
Series Usage
M G H - Hydronic
V - Volume Water
MagnaTherm
X- std MGH, 75psi PRV, H-Stamp
W- std MGV, 125psi PRV, HLW-Stamp
A- 30psi PRV
B- 50psi PRV
C- 60psi PRV
D- MGV 75psi PRV
E- MGH 125psi PRV
F- 150psi PRV
G- Flange kit & 30psi PRV
H- Flange kit & 50psi PRV
J- Flange kit & 60psi PRV
K- Flange kit & 75psi PRV
L- Flange kit & 125psi PRV
M- Flange kit & 150psi PRV
HTD
Rating Plate
Model Nomenclature
4 5 6 7 8
Size / MBH Fuel
1 6 0 0 N- Nat
2 0 0 0
2 5 0 0
3 0 0 0
3 5 0 0
4 0 0 0
Waterway Options
N- MGV w/ H-Stamp, 30psi PRV
P- MGV w/ H-Stamp, 50psi PRV
R- MGV w/ H-Stamp, 60psi PRV
S- MGV w/ H-Stamp, 75psi PRV
T- MGV w/ H-Stamp, 125psi PRV
U- MGV w/ H-Stamp, 150psi PRV
2- Flange kit, MGV w/ H-Stamp, 30psi PRV
3- Flange kit, MGV w/ H-Stamp, 50psi PRV
4- Flange kit, MGV w/ H-Stamp, 60psi PRV
5- Flange kit, MGV w/ H-Stamp, 75psi PRV
6- Flange kit, MGV w/ H-Stamp, 125psi PRV
7- Flange kit, MGV w/ H-Stamp, 150psi PRV

1.C Warranty

LAARS Heating Systems MagnaTherm HTD boilers and
volume water heaters are covered by a limited warranty.
The owner should complete the warranty registration at
http://www.LAARS.com
ALL WARRANTY CLAIMS must be made by an
authorized LAARS Heating Systems representative.
Claims must include the serial number and model (this
information can be found on the rating plate). All claims
must also include the installation date and name of the
installer. Shipping costs are not included in the warranty
coverage.
9
Construction Electrical System
G- Standard A- 120V, single ph (1600-2000)
H- CSD-1 F- 208V, single ph (1600-2000)
B- 220/240V, single ph (1600-2000)
C- 208V, three ph (2000-4000)
D- 480V, three ph (2000-4000)
E- 600V, three ph (2000-4000)
X- None
A- Gateway, BACnet IP*
B- Gateway, LONworks
C- Alarm bell
D- Auto & manual
high limits
E- Gateway BACnet IP*
& alarm bell
F- Gateway BACnet IP*
& high limits
G- Gateway BACnet IP*
& alarm bell
& high limits
10
Revision
3- Third
Additional Options
H- Gateway LONworks
& alarm bell
J- Gateway LONworks
& high limits
K- Gateway LONworks
& alarm bell
& high limits
L- Alarm & high limits
*BACnet Gateway is
used for BACnet IP
and Modbus TCP/ IP
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