HYDRAC07-E2401M HYDRAC08-E2401M HYDRAC09-E2401M HYDRAC10-E2401M HYDRAC11-E2401M HYDRAC12-E2401M Manufactured by: Dettson Industries Inc 3400, Industrial Boulevard Sherbrooke, Qc, Canada, J1L 1V8 www.dettson.ca INSTALLER / SERVICE TECHNICIAN : Attention Use the information in this manual for the installation / servicing of the boiler and keep the document near the unit for future reference.
SECTION 1 INSTALLATION 1.1) DANGER, WARNING AND CAUTION A 4’’ long nipple ¼’’ NPT and a ¼’’NPT coupling if unit is installed upright position, water connections at the bottom. The words DANGER, WARNING and CAUTION are used to identify the levels of seriousness of certain hazards. It is important that you understand their meaning.
Figure 1 : Mounting configurations 1.5) CLEARANCES The following clearances should be provided for the servicing of the unit: Table 1 Minimum clearances to combustible materials LOCATION CLEARANCE Access side to elements 13 ¼‘’ (34 cm) Sides 4’’ (10 cm) Bottom (water connections) 6 5/8’’...
Figure 2 : Boiler components Freeze protection (when required) 1 expansion tank, pre-pressurized to 12 psi and of appropriate size; 1 or more automatic air purge valves; WARNING 1 or more circulating pumps of appropriate capacity. Only propylene glycol may be used in this CAUTION hydronic heating system, to prevent freezing.
the 3/8’’ NPT to ¼’’ NPT reducer, which is provided; In all other The exterior of the unit must have an uninterrupted ground to mounting position, cork the hole with the ¼’’ plug provided. minimize the risk of bodily harm. A ground terminal is supplied with the control box for that purpose.
SECTION 2 OPERATION Adjust the setpoint of the boiler on the electronic control. See 2.1) ADJUSTMENTS AND START-UP control section for adjustments. Turn on the power, set the thermostat at 30C (85F). The circulator; The circulator should start as well as the electrical CAUTION elements in sequence with a 15 seconds delay;...
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Parameters adjustments From normal mode (blue), press OK for 3 seconds to enter the main programmation mode. The backlight will change for green. Keys : Temperature units: MODE 1 : PARAMETERS ADJUSTMENTS...
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The heating slope calculation delay parameter allows modifying the numerous which will impair the relays lifetime. Depending variation of the boiler temperature against the target temperature. installation conditions, it is recommended to keep this delay higher Shorter is this delay, better the boiler temperature will be against the as possible keeping the comfort in avoiding excessive ambiant target temperature.
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MODE 2 : ALARMS SETUP MODE DEF The mode DEF allows to reset the electronic control to its defaults parameters.
SECTION 3 MAINTENANCE The property owner has the following responsibilities: It is recommended that the boiler be purged annually, in order to eliminate sediment and sludge that may have accumulated at the To maintain the area around the boiler clean at all times and bottom of the boiler and covered the heating elements.
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Figure 6 : Typical Diagram of a Single Zone Installation DNS-1369 Rev. B Figure 7 : Multizone Diagram with more than one Circulator DNS-1371 Rev. B...