BULLDOG SlimKeeper Horizontal – Installation Operation Maintenance Manual INFORMATION Handling Care must be taken in handling the horizontal unit and other accessories to ensure that this equipment does not sustain any damage. The protective shipping and packaging should remain on the unit until it is ready for installation.
BULLDOG SlimKeeper Horizontal – Installation Operation Maintenance Manual REFRIGERANT CHARGE Unit Model R410A Charge (oz.) Weight/Dimensions/Clearances Weight & Dimensions: Model Weight (lb) Dimensions (W X D X H) 30 X 24 X 11 Unit Clearances: For Service Clearances, please refer to the BULLDDOG SlimKeeper Unit drawing. All four arrangements and their service clearances can be seen there.
BULLDOG SlimKeeper Horizontal – Installation Operation Maintenance Manual INSTALLATION The Installation of BULLDOG SlimKeeper Horizontal units and accessories must be in accordance with local codes and all regulations of all relevant governing authorities having jurisdiction. The following installation procedures are recommended by the Manufacturer. It is the responsibility of the installing contractor to comply with all applicable codes and regulations.
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BULLDOG SlimKeeper Horizontal – Installation Operation Maintenance Manual LOCATION 1. Determine future horizontal mount location with clearances shown in the dimensioned drawings. 2. Locate the unit in an indoor area. The air temperature surrounding and being supplied to the unit must be above 45°F (7°C) at all times.
BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual OPERATION CAUTION: To avoid fouled machinery, extensive unit clean up, and void warranty, do not operate units without air filters in place, and do not operate units during the construction process. The BULLDOG Heat Pump provides year round cooling and heating as controlled by the unit thermostat or by a direct digital controller.
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BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual The unit circuit board incorporates six relay outputs with the following functions: K1 – Auxiliary relay for cooling valve on a two-valve unit or heat valve on a dehumidification unit. K2 – Heating Relay ...
BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual FAN OPERATION 1. A call on “G” for fan on the thermostat terminal strip will cause the fan to operate continuously on low fan speed through K5 on multi speed units. 2. A call on “W” for heat on the thermostat terminal strip will also cause the fan to operate on low speed.
BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual f. Water temperature sensor Tw – Sensor Tw will prevent compressor operation if the outgoing fluid temperature is above 125F (52C). g. Refrigerant temperature sensor Tr – Sensor Tr will prevent compressor operation if the coil temperature is below 40F (4.4C).
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BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual refrigerant temperature drops below 40F, compressor operation will be disabled. After 10 minutes an auto reset occurs and the compressor will be enabled as soon as the temperature rises above 65F. Actual compressor restart will be delayed a minimum of 5 minutes by the anti-recycle timer.
BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual OPERATION ALGORITHM There are several control algorithms to prevent cycling and problematic operation. These are: 1. Double Call – If thermostat connections or set up is incorrect resulting in a simultaneous call for both heating and cooling, the unit will not operate. This condition can be observed on the thermostat connection LEDs.
BULLDOG SlimKeeper Hoizontal – Installation Operation Maintenance Manual SHUTDOWN OUTPUT The CGC board has an optional input terminal strip that allows for two types of remote shutdown. These are a) compressor shutdown and b) unit shutdown. The advantage of these inputs is that many units can be connected in parallel and when powered by an independent 24V AC signal one or both of these actions can be implemented.
BULLDOG Horizontal SpaceKeeper – Installation Operation Maintenance Manual COMMISSION & START UP System Flushing: Proper system cleaning and flushing is an important aspect of the commissioning and start up procedure for BULLDOG units. Ensure the system has been flushed properly. This prevents fouling of the unit’s heat exchangers.
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BULLDOG Horizontal SpaceKeeper – Installation Operation Maintenance Manual Clean Unit Filters: Confirm that the unit filters that are being used are clean. This contributes to the proper operation of the unit by ensuring that there is adequate air flow across the coil. SAFETY NOTE: In the following part of the procedure it will be necessary to access the areas around the electrical wiring and the circuit board.
MAINTENANCE WARNING: To prevent injury or death due to electrical shock or contact with moving parts, disable the unit using the disconnect before servicing. Inspect Filters: Establish a regular maintenance schedule. Clean filters frequently and replace as required. A vacuum can be used to clean filters, as well as the surface of coil components. To remove the filter from the unit lift the filter up and pull it out of the unit at the bottom.
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